These ornate arches show how the course of the River Thames has changed.

A series of carved figures that scandalized British society.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

Public access to clean drinking water was an instant hit among the masses.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

London's smallest police station is barely the size of a phone booth.

The broken skateboards that became a poignant memorial to a murdered skater.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This luxury shopping lane has been protected by its own tiny police force for over a century.

England's most famous front door has an accidental doppelganger.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

The ritual has been performed uninterrupted for nearly 700 years.